Least Common Multiple (LCM) of 115 and 49
The least common multiple (LCM) of 115 and 49 is 5635.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 115 and 49?
First, calculate the GCD of 115 and 49 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 49 = 2 remainder 17 |
| 2 | 49 ÷ 17 = 2 remainder 15 |
| 3 | 17 ÷ 15 = 1 remainder 2 |
| 4 | 15 ÷ 2 = 7 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 88 and 72 | 792 |
| 156 and 114 | 2964 |
| 52 and 152 | 1976 |
| 95 and 188 | 17860 |
| 161 and 188 | 30268 |